Home / 125,021.94-172,323.82-93,179.22

Finding the Fourth Proportional to 125,021.94, 172,323.82 and 93,179.22

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Solution

The fourth proportional to 125,021.94, 172,323.82 and 93,179.22 is: 128,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,021.94 : 172,323.82 = 93,179.22 : x
  2. Step 2: Convert to fraction form
    125,021.94/172,323.82 = 93,179.22/x
  3. Step 3: Cross multiply
    125,021.94x = 172,323.82 × 93,179.22
  4. Step 4: Simplify right side
    125,021.94x = 16,056,999,135.02
  5. Step 5: Solve for x
    x = 16,056,999,135.02/125,021.94
  6. Step 6: Final answer
    x = 128,433.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.